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All results from a given calculation for CH3CHBrCH3 (i-propyl bromide)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-2690.339335
Energy at 298.15K-2690.349812
HF Energy-2690.339335
Nuclear repulsion energy249.901274
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B1B95/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3196 3048 27.98      
2 A' 3170 3024 17.72      
3 A' 3153 3007 7.43      
4 A' 3075 2932 27.27      
5 A' 1548 1476 12.93      
6 A' 1540 1468 11.64      
7 A' 1474 1405 8.75      
8 A' 1283 1223 40.39      
9 A' 1217 1160 45.89      
10 A' 1081 1031 8.67      
11 A' 924 881 8.58      
12 A' 538 513 22.49      
13 A' 403 384 2.05      
14 A' 293 280 3.35      
15 A' 268 256 0.82      
16 A" 3188 3041 10.94      
17 A" 3158 3011 3.57      
18 A" 3071 2929 11.73      
19 A" 1530 1459 0.51      
20 A" 1526 1455 5.28      
21 A" 1459 1391 19.95      
22 A" 1395 1330 2.32      
23 A" 1190 1135 2.92      
24 A" 989 943 0.10      
25 A" 982 937 3.14      
26 A" 289 276 1.00      
27 A" 245 234 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 21091.2 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 20114.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B1B95/6-31G
ABC
0.26652 0.09612 0.07585

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.470 -0.935 0.000
Br2 -0.067 1.011 0.000
H3 1.558 -0.888 0.000
C4 -0.067 -1.551 1.271
C5 -0.067 -1.551 -1.271
H6 -1.158 -1.513 1.286
H7 0.242 -2.600 1.335
H8 0.305 -1.029 2.154
H9 -1.158 -1.513 -1.286
H10 0.242 -2.600 -1.335
H11 0.305 -1.029 -2.154

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.01921.08921.51141.51142.15382.14582.16192.15382.14582.1619
Br22.01922.49992.86052.86053.03603.86232.99003.03603.86232.9900
H31.08922.49992.16752.16753.06982.53832.49573.06982.53832.4957
C41.51142.86052.16752.54271.09191.09521.09042.78022.82623.4843
C51.51142.86052.16752.54272.78022.82623.48431.09191.09521.0904
H62.15383.03603.06981.09192.78021.77331.76882.57113.16363.7686
H72.14583.86232.53831.09522.82621.77331.77213.16362.66963.8261
H82.16192.99002.49571.09043.48431.76881.77213.76863.82614.3070
H92.15383.03603.06982.78021.09192.57113.16363.76861.77331.7688
H102.14583.86232.53832.82621.09523.16362.66963.82611.77331.7721
H112.16192.99002.49573.48431.09043.76863.82614.30701.76881.7721

picture of i-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H6 110.617 C1 C4 H7 109.786
C1 C4 H8 111.355 C1 C5 H9 110.617
C1 C5 H10 109.786 C1 C5 H11 111.355
Br2 C1 H3 102.953 Br2 C1 C4 107.355
Br2 C1 C5 107.355 H3 C1 C4 111.887
H3 C1 C5 111.887 C4 C1 C5 114.522
H6 C4 H7 108.350 H6 C4 H8 108.295
H7 C4 H8 108.354 H9 C5 H10 108.350
H9 C5 H11 108.295 H10 C5 H11 108.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.407      
2 Br -0.026      
3 H 0.224      
4 C -0.424      
5 C -0.424      
6 H 0.179      
7 H 0.167      
8 H 0.183      
9 H 0.179      
10 H 0.167      
11 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.519 -2.499 0.000 2.552
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.035 -0.641 0.000
y -0.641 -37.328 0.000
z 0.000 0.000 -37.875
Traceless
 xyz
x -0.434 -0.641 0.000
y -0.641 0.627 0.000
z 0.000 0.000 -0.193
Polar
3z2-r2-0.387
x2-y2-0.707
xy-0.641
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.073 -0.600 0.000
y -0.600 8.839 0.000
z 0.000 0.000 5.695


<r2> (average value of r2) Å2
<r2> 156.988
(<r2>)1/2 12.529